Question

The roots of x2 + kx + k = 0 are real and equal, find k​

Answer 1

Ur answer is in the pic

Answer: 0and 4.

HOPE IT HELPS U

Answer 2

${x}^{2} + kx + k = 0 \\ comparision \: \: of \: \: a {x}^{2} + bx + c = 0 \\ a = 1 \: \: \: \: b = k \: \: \: \: c = k \\ {b}^{2} - 4ac = 0 \\ {k}^{2} -4 ( k \times 1) = 0 \\ {k}^{2} - 4k = 0 \\ k(k - 4) = 0 \\ k = 0 \: \: \: or \: \: \: k = 4$